Overall Green Earthquake alert in Philippines on 22 Mar 2023 23:31 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve alerts, information exchange and coordination in the first phase after major sudden-onset disasters.

M 5.6 in Philippines on 22 Mar 2023 23:31 UTC

Hazard models

Rapid Impact

Shakemap

Tsunami

Event summary

This earthquake is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude:	5.6M
Depth:	30.201 Km
Lat/Lon:	19.2526 , 121.1612
Event Date:	22 Mar 2023 23:31 UTC 23 Mar 2023 07:31 Local
Exposed Population:	60 thousand in MMI&>=IV
Source:	NEIC us7000jm20
Inserted at:	22 Mar 2023 23:49 UTC
INFORM Coping capacity of the alert score	4.2 (Philippines)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake (Shakemap)		GDACS score
NEIC	0		0
us7000jm20	Scaled population (vector)	0
	C1 shakemap	-0.59
	C2 shakemap	0.53
	Country Vulnerability	0
	INFORM_normalised	1

Maximum expected impact using different data sources.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1496911		0	22 Mar 2023 23:31	5.6M, 30.201km	4.32	N/A (in MMI>=VII)		00:17	NEIC

The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.

The episode that has the last updated information.

* The max MMI detected for sources having shakemaps;
** The population detected in MMI>=7 for episode with shakemap or in a 100km radius;
*** The tsunami max height.

Exposed population

The earthquake happened in Philippines , Region of Cagayan Valley (population 47) . The nearest places are Visita, Banoa, Kaniwalan, Nagsidel, Banua, Dadao, Rarasi, Poso, and Sorongan.

Radius	Population
100 km	180000 people
75 km	43000 people
50 km	12000 people
20 km	<1000 people
10 km	no people
5 km	no people
2 km	no people

Affected Provinces

Region Province	Country	Population
Cagayan Valley	Philippines	<1000 people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Visita	Cagayan Valley	Philippines	Village	-	23 km
Banoa	Cagayan Valley	Philippines	Village	-	25 km
Kaniwalan		Philippines	Village	-	26 km
Nagsidel		Philippines	Village	-	30 km
Banua	Cagayan Valley	Philippines	Village	-	31 km
Dadao	Cagayan Valley	Philippines	Village	-	33 km
Rarasi	Cagayan Valley	Philippines	Village	-	35 km
Poso		Philippines	Village	-	43 km
Sorongan	Cagayan Valley	Philippines	Village	-	50 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Name	IATA Code	Elevation (m)	Usage	Runway type	IFR	Runway Length (ft)	Distance
Taggat		5				0	73 km

Ports

Name	Country	Distance
Calayan	Philippines	33 km
Claveria	Philippines	71 km
Abulog	Philippines	94 km

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.

Disclaimer
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